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Petri dishes with microbial cultures

Measurements of B→J/ψ at forward rapidity in p+p collisions at √s=510  GeV

We report the first measurement of the fraction of J/ψ mesons coming from B-meson decay (FB→J/ψ) in p+p collisions at √s=510  GeV

Petri dishes with microbial cultures

Petri dishes with microbial cultures

Authors:
Aidala, C; Ajitanand, NN; Akiba, Y; Akimoto, R; Alexander, J; Alfred, M; Aoki, K; Apadula, N; Asano, H; Atomssa, ET; Attila, A; Awes, TC; Ayuso, C; Azmoun, B; Babintsev, V; Bai, M; Bai, X; Bannier, B; Barish, KN; Bathe, S; Baublis, V; Baumann, C; Baumgart, S; Bazilevsky, A; Beaumier, M; Belmont, R; Berdnikov, A; Berdnikov, Y; Black, D; Blau, DS; Boer, M; Bok, JS; Boyle, K; Brooks, ML; Bryslawskyj, J; Buesching, H; Bumazhnov, V; Butler, C; Butsyk, S; Campbell, S; CanoaRoman, C; Chen, CH; Chi, CY; Chiu, M; Choi, IJ; Choi, JB; Choi, S; Christiansen, P; Chujo, T; Chujo, T; Cole, BA; Connors, M; Cronin, N; Crossette, N; Csanad, M; Csorgo, T; Danley, TW; Datta, A; Daugherity, MS; David, G; DeBlasio, K; Dehmelt, K; Denisov, A; Deshpande, A; Desmond, EJ; Ding, L; Do, JH; D’Orazio, L; Drapier, O; Drees, A; Drees, KA; Dumancic, M; Durham, JM; Durum, A; Elder, T; Engelmore, T; Enokizono, A; Esumi, S; Eyser, KO; Fadem, B; Fan, W; Feege, N; Fields, DE; Finger, M; Finger, M; Fleuret, F; Fokin, SL; Frantz, JE; Franz, A; Frawley, AD; Fukao, Y; Fukuda, Y; Fusayasu, T; Gainey, K; Gal, C; Garg, P; Garishvili, A; Garishvili, I; Ge, H; Giordano, F; Glenn, A; Gong, X; Gonin, M; Goto, Y; de Cassagnac, RG; Grau, N; Greene, SV; Perdekamp, MG; Gu, Y; Gunji, T; Guragain, H; Hachiya, T; Haggerty, JS; Hahn, KI; Hamagaki, H; Han, SY; Hanks, J; Hasegawa, S; Haseler, TOS; Hashimoto, K; Hayano, R; He, X; Hemmick, TK; Hester, T; Hill, JC; Hill, K; Hollis, RS; Homma, K; Hong, B; Hoshino, T; Hotvedt, N; Huang, J; Huang, S; Ichihara, T; Ikeda, Y; Imai, K; Imazu, Y; Inaba, M; Iordanova, A; Isenhower, D; Isinhue, A; Ito, Y; Ivanishchev, D; Jacak, BV; Jeon, SJ; Jezghani, M; Ji, Z; Jia, J; Jiang, X; Johnson, BM; Joo, KS; Jorjadze, V; Jouan, D; Jumper, DS; Kamin, J; Kanda, S; Kang, BH; Kang, JH; Kang, JS; Kapukchyan, D; Kapustinsky, J; Karthas, S; Kawall, D; Kazantsev, AV; Key, JA; Khachatryan, V; Khandai, PK; Khanzadeev, A; Kijima, KM; Kim, C; Kim, DJ; Kim, EJ; Kim, M; Kim, MH; Kim, YJ; Kim, YK; Kincses, D; Kistenev, E; Klatsky, J; Kleinjan, D; Kline, P; Koblesky, T; Kofarago, M; Komkov, B; Koster, J; Kotchetkov, D; Kotov, D; Krizek, F; Kudo, S; Kurita, K; Kurosawa, M; Kwon, Y; Lacey, R; Lai, YS; Lajoie, JG; Lallow, EO; Lebedev, A; Lee, DM; Lee, GH; Lee, J; Lee, KB; Lee, KS; Lee, SH; Leitch, MJ; Leitgab, M; Leung, YH; Lewis, B; Lewis, NA; Li, X; Li, X; Lim, SH; Liu, LD; Liu, MX; Loggins, VR; Lokos, S; Lynch, D; Maguire, CF; Makdisi, YI; Makek, M; Manion, A; Manko, VI; Mannel, E; McCumber, M; McGaughey, PL; McGlinchey, D; McKinney, C; Meles, A; Mendoza, M; Meredith, B; Miake, Y; Mibe, T; Mignerey, AC; Mihalik, DEM; Milov, A; Mishra, DK; Mitchell, JT; Mitsuka, G; Miyasaka, S; Mizuno, S; Mohanty, AK; Mohapatra, S; Moon, T; Morrison, DP; Morrow, SIM; Moskowitz, M; Moukhanova, TV; Murakami, T; Murata, J; Mwai, A; Nagae, T; Nagai, K; Nagamiya, S; Nagashima, K; Nagashima, T; Nagle, JL; Nagy, MI; Nakagawa, I; Nakagomi, H; Nakamiya, Y; Nakamura, KR; Nakamura, T; Nakano, K; Nattrass, C; Netrakanti, PK; Nihashi, M; Niida, T; Nouicer, R; Novak, T; Novitzky, N; Novotny, R; Nyanin, AS; O’Brien, E; Ogilvie, CA; Oide, H; Okada, K; Koop, JDO; Osborn, JD; Oskarsson, A; Ozawa, K; Pak, R; Pantuev, V; Papavassiliou, V; Park, IH; Park, JS; Park, S; Park, SK; Pate, SF; Patel, L; Patel, M; Peng, JC; Peng, W; Perepelitsa, DV; Perera, GDN; Peressounko, DY; PerezLara, CE; Perry, J; Petti, R; Phipps, M; Pinkenburg, C; Pisani, RP; Pun, A; Purschke, ML; Qu, H; Radzevich, PV; Rak, J; Ravinovich, I; Read, KF; Reynolds, D; Riabov, V; Riabov, Y; Richardson, E; Richford, D; Rinn, T; Riveli, N; Roach, D; Rolnick, SD; Rosati, M; Rowan, Z; Runchey, J; Ryu, MS; Sahlmueller, B; Saito, N; Sakaguchi, T; Sako, H; Samsonov, V; Sarsour, M; Sato, K; Sato, S; Sawada, S; Schaefer, B; Schmoll, BK; Sedgwick, K; Seele, J; Seidl, R; Sekiguchi, Y; Sen, A; Seto, R; Sett, P; Sexton, A; Sharma, D; Shaver, A; Shein, I; Shibata, TA; Shigaki, K; Shimomura, M; Shoji, K; Shukla, P; Sickles, A; Silva, CL; Silvermyr, D; Singh, BK; Singh, CP; Singh, V; Skoby, MJ; Skolnik, M; Slunecka, M; Smith, KL; Solano, S; Soltz, RA; Sondheim, WE; Sorensen, SP; Sourikova, IV; Stankus, PW; Steinberg, P; Stenlund, E; Stepanov, M; Ster, A; Stoll, SP; Stone, MR; Sugitate, T; Sukhanov, A; Sun, J; Syed, S; Takahara, A; Taketani, A; Tanaka, Y; Tanida, K; Tannenbaum, MJ; Tarafdar, S; Taranenko, A; Tarnai, G; Tennant, E; Tieulent, R; Timilsina, A; Todoroki, T; Tomasek, M; Torii, H; Towell, CL; Towell, RS; Tserruya, I; Ueda, Y; Ujvari, B; van Hecke, HW; Vargyas, M; Vazquez-Carson, S; Vazquez-Zambrano, E; Veicht, A; Velkovska, J; Vertesi, R; Virius, M; Vrba, V; Vznuzdaev, E; Wang, XR; Wang, Z; Watanabe, D; Watanabe, K; Watanabe, Y; Watanabe, YS; Wei, F; Whitaker, S; Wolin, S; Wong, CP; Woody, CL; Wysocki, M; Xia, B; Xu, C; Xu, Q; Yamaguchi, YL; Yanovich, A; Yin, P; Yokkaichi, S; Yoo, JH; Yoon, I; You, Z; Younus, I; Yu, H; Yushmanov, IE; Zajc, WA; Zelenski, A; Zharko, S; Zhou, S; Zou, L

Abstract:
We report the first measurement of the fraction of J/ψ mesons coming from B-meson decay (FBJ/ψ) in p+p collisions at s=510GeV. The measurement is performed using the forward silicon vertex detector and central vertex detector at PHENIX, which provide precise tracking and distance-of-closest-approach determinations, enabling the statistical separation of J/ψ due to B-meson decays from prompt J/ψ. The measured value of FBJ/ψ is 8.1%±2.3%(stat)±1.9%(syst) for J/ψ with transverse momenta 0<pT<5GeV/c and rapidity 1.2<|y|<2.2. The measured fraction FBJ/ψ at PHENIX is compared to values measured by other experiments at higher center of mass energies and to fixed-order-next-to-leading-logarithm and color-evaporation-model predictions. The b¯b cross section per unit rapidity [dσ/dy(ppb¯b)] extracted from the obtained FBJ/ψ and the PHENIX inclusive J/ψ cross section measured at 200 GeV scaled with color-evaporation-model calculations, at the mean B hadron rapidity y=±1.7 in 510 GeV p+p collisions, is 3.63+1.921.70μb. It is consistent with the fixed-order-next-to-leading-logarithm calculations.

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